EP0861294B1 - Melange co-continu d'un polymere fluore et d'un thermoplastique et procede - Google Patents

Melange co-continu d'un polymere fluore et d'un thermoplastique et procede Download PDF

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Publication number
EP0861294B1
EP0861294B1 EP97910318A EP97910318A EP0861294B1 EP 0861294 B1 EP0861294 B1 EP 0861294B1 EP 97910318 A EP97910318 A EP 97910318A EP 97910318 A EP97910318 A EP 97910318A EP 0861294 B1 EP0861294 B1 EP 0861294B1
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EP
European Patent Office
Prior art keywords
thermoplastic
article according
fluoropolymer
ptfe
eptfe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP97910318A
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German (de)
English (en)
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EP0861294A1 (fr
Inventor
Richard Witzko
Wolfgang Bürger
Winfried Gleinser
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WL Gore and Associates GmbH
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WL Gore and Associates GmbH
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Publication of EP0861294A1 publication Critical patent/EP0861294A1/fr
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18Homopolymers or copolymers or tetrafluoroethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/10Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K3/1006Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
    • C09K3/1009Fluorinated polymers, e.g. PTFE
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D01F6/12Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0617Polyalkenes
    • C09K2200/062Polyethylene
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0645Macromolecular organic compounds, e.g. prepolymers obtained otherwise than by reactions involving carbon-to-carbon unsaturated bonds
    • C09K2200/0657Polyethers

Claims (16)

  1. Article comprenant un mélange d'un polymère fluoré et d'un polymère thermoplastique, chaque polymère ayant une structure en réseau continue individuelle, lesdites structures étant indépendantes les unes des autres mais entrelacées entre elles et au moins un desdits polymères étant microporeux.
  2. Article selon la revendication 1, dans laquelle chaque structure est sous forme de réseau et lesdits réseaux sont entrelacés entre eux.
  3. Article selon l'une des revendications 1 ou 2, dans laquelle les deux polymères sont microporeux.
  4. Article selon l'une des revendications 1 à 3 dans la forme choisie dans le groupe composé d'un film, d'une membrane, d'un tube, d'une fibre creuse, d'une fibre ou d'un joint d'étanchéité.
  5. Article selon l'une des revendications 1 à 4, dans laquelle le polymère fluoré comprend le PTFE (ePTFE) microporeux étiré.
  6. Article selon l'une des revendications 1 à 5, dans laquelle le polymère fluoré comprend le PTFE modifié.
  7. Article selon l'une des revendications 1 à 6, dans laquelle le polymère fluoré comprend un mélange de ePTFE et d'un polymère fluoré pouvant être traité en masse fondue.
  8. Article de la revendication 7, dans laquelle le polymère fluoré pouvant être traité en masse fondue est le FEP Teflon® ou le Teflon PFA®.
  9. Article selon l'une des revendications 1 à 8, dans laquelle la matière thermoplastique est choisie dans le groupe composé des matières suivantes :
    les polyoléfines,
    les polyamides aliphatiques et aromatiques,
    les polyesters aliphatiques et aromatiques,
    les polysulfones, les poly(éther sulfone), les poly(oxyde de polyphényle), les polyimides,
    les LCP avec des structures mésogènes dans la chaíne principale ou dans la chaíne latérale,
    les polycarbonates, les polyacrylonitriles et les polystyrènes,
    les poly(méthacrylate), les polyacrylates, les poly(chlorure de vinyle) et les poly(chlorure de vinylidène),
    les polyaryléthercétones,
    ainsi que les copolymères des catégories de ces matières ;
    les copolymères de polymère fluoré pouvant être traités en masse fondue.
  10. Article selon la revendication 9, dans laquelle la matière thermoplastique est la poly(éther-éther-cétone) (PEEK).
  11. Article selon la revendication 9, dans laquelle la matière thermoplastique est le UHMW-PE.
  12. Article selon la revendication 9, dans laquelle le thermoplastique est le THV (copoly(tétrafluoroéthylène/hexafluoropropylène/fluorure de vinylidène)).
  13. Article selon l'une des revendications 1 à 12, dans laquelle la fraction de poids de la matière thermoplastique est de 20% à 90% en poids, de préférence de 30% à 70%.
  14. Article selon l'une des revendications 1 à 13, dans laquelle l'article est résistant à un rayonnement riche en énergie inférieur ou égal à 100 kGy.
  15. Procédé pour produire une matière à partir d'un mélange d'un polymère fluoré et d'un thermoplastique pour un article selon la revendication 1, comprenant les étapes suivantes consistant à :
    a) co-coaguler une dispersion aqueuse comprenant un polymère fluoré et un thermoplastique ;
    b) sécher, mélanger la matière obtenue selon a) avec un lubrifiant et extruder une pâte ;
    c) calandrer l'extrudat ;
    d) éliminer le lubrifiant soit avant soit après l'étape c) ;
    e) étirer la matière de l'étape d) en la passant sur des rouleaux chauffés ou dans un courant d'air chauffé à une température supérieure au point de transition vitreuse du thermoplastique ;
    caractérisé en ce que le calandrage de l'extrudat (étape c)) est réalisé à une température inférieure à la température de décomposition mais supérieure à la température de transition vitreuse du thermoplastique.
  16. Procédé selon la revendication 15, dans laquelle la matière est compactée après la dernière étape e).
EP97910318A 1996-09-19 1997-09-19 Melange co-continu d'un polymere fluore et d'un thermoplastique et procede Expired - Lifetime EP0861294B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19638416 1996-09-19
DE19638416A DE19638416C1 (de) 1996-09-19 1996-09-19 Formkörper aus einem Blend eines Fluorpolymeren und eines Thermoplasten und Verfahren zu dessen Herstellung
PCT/EP1997/005159 WO1998012255A1 (fr) 1996-09-19 1997-09-19 Melange co-continu d'un polymere fluore et d'un thermoplastique et procede

Publications (2)

Publication Number Publication Date
EP0861294A1 EP0861294A1 (fr) 1998-09-02
EP0861294B1 true EP0861294B1 (fr) 2002-11-27

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EP97910318A Expired - Lifetime EP0861294B1 (fr) 1996-09-19 1997-09-19 Melange co-continu d'un polymere fluore et d'un thermoplastique et procede

Country Status (10)

Country Link
US (1) US6127486A (fr)
EP (1) EP0861294B1 (fr)
JP (1) JP3442790B2 (fr)
CN (1) CN1294197C (fr)
AT (1) ATE228547T1 (fr)
AU (1) AU4776097A (fr)
BG (1) BG102397A (fr)
DE (2) DE19638416C1 (fr)
PL (1) PL188379B1 (fr)
WO (1) WO1998012255A1 (fr)

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CN108546380B (zh) * 2017-09-19 2019-09-27 池州学院 一种改变peek结晶行为的二元合金化改性方法
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CN111372964B (zh) * 2017-11-23 2022-09-16 索尔维特殊聚合物意大利有限公司 医疗装置
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Also Published As

Publication number Publication date
BG102397A (en) 1998-12-30
EP0861294A1 (fr) 1998-09-02
JP3442790B2 (ja) 2003-09-02
PL326680A1 (en) 1998-10-12
WO1998012255A1 (fr) 1998-03-26
JPH10512620A (ja) 1998-12-02
ATE228547T1 (de) 2002-12-15
DE19638416C1 (de) 1997-11-13
DE69717411D1 (de) 2003-01-09
AU4776097A (en) 1998-04-14
US6127486A (en) 2000-10-03
DE69717411T2 (de) 2003-09-25
CN1294197C (zh) 2007-01-10
CN1205018A (zh) 1999-01-13
PL188379B1 (pl) 2005-01-31

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